US 5,400,831 AGranted

Method and weaving looms for manufacture of face to face fabric

AssigneeN.V. Michel Van de Wiele

InventorNico Gheysen

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Abstract

A method for twin-spool manufacture of a two-shot face-to-face fabric comprising a top fabric and a bottom fabric including binder warp threads for forming the upper and lower fabrics respectively and pile warp threads bound as dead pile threads into the top fabric or into the bottom fabric for successive picks or passed as active pile threads between the top and bottom fabrics in successive picks. In successive picks there are formed alternately a shed between binder warp threads providing the top fabric and a shed between binder warp threads providing the bottom fabric with the insertion of two weft threads, one above the other, in each of said sheds. The two weft threads are taken to a height corresponding to the top fabric before insertion into the shed of the top fabric and then are taken to a lower height corresponding to the bottom fabric before insertion into the shed corresponding to the bottom fabric. A corresponding weaving loom enables the two weft insertion devices supported one above the other to move up and down together to carry out the method.

Claims10

Dependent claims

Method for twin-spool manufacture of a two-shot face-to-face fabric comprising a top fabric and a bottom fabric which comprises alternately:

(a) forming a shed between two sets of warp threads providing the top fabric and inserting two weft threads lying one above the other through said shed;
(b) forming a shed between two sets of warp threads corresponding to the bottom fabric and inserting two weft threads lying one above the other through the shed corresponding to the bottom fabric, said steps (a) and (b) representing successive picks of the resulting top and bottom fabrics,
and which includes:
(c) providing active pile threads alternately above the two weft threads in the top fabric in one pick and providing said active pile threads below the two weft threads in the bottom fabric in a subsequent pick, and
(d) at each pick providing dead pile threads bound into the top fabric or into the bottom fabric between the weft threads lying one above the other in said top fabric or said bottom fabric, some pile threads being dead pile threads while other pile threads being active pile threads at each pick, and
which includes alternately
(e) taking the two weft threads to a height corresponding to the top fabric and to a height corresponding to the bottom fabric before inserting the two weft threads one above the other into the shed according to steps (a) and (b) respectively.

4 more elements

Dependencies are inferred from the claim text.